<template>
  <!-- <div class="ScaleBox" ref="ScaleBox" :style="{width: width + 'px',height: height + 'px',}"> -->
  <div
    class="ScaleBox"
    ref="ScaleBox"
    :style="{ width: width + 'px', height: height + 'px' }"
  >
    <slot></slot>
  </div>
</template>
<script>
export default {
  name: "ScaleBox",
  props: {},
  data() {
    return {
      scale: "",
      width: 1920,
      height: 1080,
    };
  },
  mounted() {
    this.setScale();
    window.addEventListener("resize", this.debounce(this.setScale, 100));
  },
  methods: {
    getScale() {
      let wh = window.innerHeight / this.height;
      let ww = window.innerWidth / this.width;
      return ww < wh ? ww : wh;
    },
    setScale() {
      // if (window.innerHeight == 1080) {
      //   this.height = 1080;
      // } else {
      //   this.height = 937;
      // }
      let ww = window.innerWidth / this.width;
      let wh = window.innerHeight / this.height;

      let wit = window.innerWidth;
      let hit = window.innerHeight;
      console.log(wit);
      console.log(hit);
      // this.scale = this.getScale();
      if (this.$refs.ScaleBox) {
        // this.$refs.ScaleBox.style.setProperty("--scale", this.scale);
        this.$refs.ScaleBox.style.transform = `scale(${ww}, ${wh})`;
      }
    },
    debounce(fn, delay) {
      let delays = delay || 500;
      let timer;
      return function () {
        let th = this;
        let args = arguments;
        if (timer) {
          clearTimeout(timer);
        }
        timer = setTimeout(function () {
          timer = null;
          fn.apply(th, args);
        }, delays);
      };
    },
  },
};
</script>

<style lang="less">
#ScaleBox {
  --scale: 1;
}

.ScaleBox {
  // position: absolute;
  transform: scale(var(--scale)) translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  transform-origin: 0 0;
  // left: 50%;
  // top: 50%;
  transition: 0.3s;
  z-index: 999;
  background: #000c1e;
  overflow: hidden !important;
}
</style>
